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TB7220U Commercial  
Programmable Thermostat  
OWNER’S GUIDE  
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CONTENTS  
Features ...........................................................................  
Main Screen Selections and Display ................................  
Programming Heating and Cooling Schedule ..................  
Operating the Thermostat ................................................  
3
4
5
9
Replacing Batteries .......................................................... 14  
Reading Outdoor Temperature ......................................... 18  
Reading Remote Indoor Temperature .............................. 17  
Advanced Settings ........................................................... 24  
Frequently Asked Questions and Answers ...................... 28  
Limited Five-Year Warranty .............................................. 29  
Customer Assistance ....................................................... 30  
IMPORTANT  
The thermostat has an LCD. Sharp instruments like a pen or pencil point can  
damage the thermostat.  
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FEATURES  
Large, Clear Display with Backlighting—current temperature, set temperature and  
time are easy-to-read and all are displayed on the main screen.  
Menu Driven Programming—Provides guidance through the scheduling process,  
showing only necessary information and choices on each screen.  
Ability to Select Multiple Days—allows easy customizing for unique schedules.  
Real-Time Clock—keeps time during power failure; automatically updates for  
daylight saving time.  
Armchair Programming—can remove thermostat from wall to set the schedule.  
Precise Temperature Control (±1°F)—reliable, consistent comfort.  
Multiple OVERRIDE options—can modify schedule for a specific period of time  
(up to 365 days).  
Outdoor Temperature Indication—displays current outdoor temperature to help  
plan outdoor activities.  
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Main Screen Selections and Display  
CURRENT DAY  
OF WEEK  
TEMPERATURE  
SETTING  
CURRENT  
TIME  
Mon  
Aux Heat On  
Occupied  
System Auto Fan Auto  
System & Fan  
Override  
More  
CURRENT  
SYSTEM SETTING  
INDICATES  
THERMOSTAT IS  
CALLING FOR  
COOL OR HEAT"  
"
CURRENT  
FAN SETTING  
M23039  
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Programming Heating and Cooling Schedule  
IMPORTANT  
Keep in mind that the up and down keys change the flashing number or word.  
When multiple items are flashing, changes affect only one of the items.  
The thermostat can control up to four different schedule periods per day:  
Occupied1—Work arrival time. Period to keep space at a comfortable temperature.  
Unocc1—Work exit time. Period to keep space at an energy-saving temperature.  
Occupied2—Second occupied period.  
Unocc2—Second unoccupied period.  
NOTES:  
Available schedule times are at 15-minute intervals.  
With default settings, all four periods can be programmed. This can be  
changed to allow only Occupied1 and Unocc1 programs. To use only  
Occupied1 and Unocc1, see Step 8 in the Advanced Settings section.  
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Editing Schedule  
1
2
3
4
.
.
.
.
Press MORE.  
Press SCHEDULE.  
Press EDIT.  
Use The Up and Down keys to  
change the flashing day.  
Select any combination of days.  
Mon  
Tue  
Wed  
Thu  
Fri  
Sat  
Sun  
5.  
Select Day  
Next  
Cancel  
NOTES:  
Selected days schedule  
identical temperatures  
and times.  
Be sure to select all days  
desired before pressing  
NEXT.  
6.  
Press NEXT.  
M23040  
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7
.
.
Use the Up and Down keys  
to change the flashing  
schedule period.  
DAYS  
SCHEDULE  
PERIOD  
HEAT OR COOL  
TEMPERATURES  
SELECTED  
8
Press NEXT.  
UP ARROW  
CHANGES TIME  
AND  
Period  
Mon  
Tue  
Wed  
Thu  
Fri  
Occupied1 Unocc1  
Occupied2 Unocc2  
NOTE: The selections  
automatically  
AM  
TEMPERATURES  
cycle through:  
Period, Time,  
Temperature.  
Go Back Next  
Done  
DOWN ARROW  
CHANGES TIME  
AND  
9
.
Use the Up and Down keys  
to modify the flashing item  
e.g., time, temperature).  
TEMPERATURES  
GO BACK KEY  
(
DONE KEY  
GOES BACK TO THE  
LAST SCHEDULE STEP  
EXITS AND SAVES  
CHANGES MADE  
TO SCHEDULE  
NOTES:  
NEXT STEP KEY  
Pressing DONE will  
save all of the  
changes that have  
been made.  
ADVANCES PERIOD,TIME,  
HEAT AND COOL TEMPERATURES  
M23041  
To exit scheduling without saving the current changes, press CANCEL. If that  
option is not available, press GO BACK until CANCEL is available.  
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1
0. When complete, press  
DONE.  
Saved” appears on the  
screen to indicate changes  
are saved to the day(s)  
indicated.  
Mon  
Tue  
Wed  
Thu  
Fri  
Saved  
Sat  
NOTE: To schedule remaining  
days of the week, repeat  
steps 1-10.  
Reviewing One Day’s  
Schedule  
M22376  
1.  
2.  
3.  
4.  
5.  
6.  
Press MORE.  
Press SCHEDULE.  
Use The Up and Down keys to change the flashing day.  
Press VIEW.  
Use The Up and Down keys to cycle through the scheduled periods.  
To make changes:  
a. Press EDIT.  
b. Proceed to step 7 of the Editing Schedule section.  
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Setting Time  
1.  
2.  
3.  
Press MORE.  
Press CLOCK  
Use arrows to set current  
time.  
Mon  
Sun  
4.  
Press DONE.  
PM  
IMPORTANT  
The current day of the  
week should already be  
set correctly. If not, see  
the Advanced Settings  
section to set the day.  
Go Back  
Done  
M23042  
Operating the Thermostat  
Setting “System & Fan”  
SETTING SYSTEM  
The System selections vary based on the HVAC system type.  
HEAT — thermostat controls the heating system.  
OFF — both heating and cooling systems are off.  
COOL — thermostat controls the cooling system.  
AUTO — thermostat controls both the heating and cooling systems based on temperature.  
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SETTING FAN  
Fan selections vary based on the HVAC system type.  
ON—fan runs continuously. Use this setting for improved air circulation or for more efficient  
central air cleaning.  
AUTO—fan is controlled by the system. Typically, the fan runs only during cooling or  
heating operation.  
Setting Temperature Overrides  
There are three temperature override options:  
Hold Temperature Until  
Override, and  
Holiday.  
HOLD TEMPERATURE UNTIL  
Holds the temperature temporarily until the time set by the user, or the next scheduled  
period time:  
1
.
Press an arrow key or the Override key. TEMPORARY SET TO appears on the  
screen. The time defaults to the next scheduled period start time.  
Use the Up and Down keys to change the desired temperature.  
2.  
NOTE: If HEAT or COOL begins to flash, your temporary setting is at, or beyond,  
the deadband. The thermostat operates based on the override setting  
throughout the hold time.  
3.  
Press NEXT.  
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NOTE: The ability to change settings remains for approximately seven seconds.  
Once neither the temperature nor the time continue to flash, you must  
restart at step 1 to make changes.  
4.  
Use the Up and Down keys  
to set the desired time for  
the thermostat to resume  
the programmed schedule.  
Tue  
Hold Until  
NOTE: The installer setup  
can limit the length  
of time for an over-  
ride to 1, 2, 3, or 4  
hours beyond the  
current time.  
PM  
System  
Fan Auto  
Heat  
Occupied  
More  
System & Fan  
Override  
5.  
Press CANCEL to cancel  
“Hold Temperature Until” and  
M23043  
resume the schedule.  
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OVERRIDE  
Changes temperature setting until the next period takes effect. For use during Unoccupied  
periods.  
1.  
Press OVERRIDE. The override settings default to those contained in the next  
Occupied period.  
NOTE: Changes are limited to those allowed by the lockout level.  
2.  
Use the Up and Down keys to change the override time and temperature.  
HOLIDAY  
Changes temperature setting for a  
designated number of days.  
1
2
.
.
Press MORE.  
Press HOLIDAY. The temper-  
ature on the screen flashes.  
Use the Up and Down  
keys to change the desired  
temperature for the duration  
of the holiday.  
Press NEXT. The screen  
shows “Hold Until 1 Days”.  
The number flashes.  
Tue  
Hold Until  
Days  
3
.
.
System  
Fan Auto  
Heat  
UnOccupied  
Holiday  
System & Fan  
Cancel  
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5
.
.
Use the Up and Down keys to change the number of days desired for the thermostat  
to override the schedule.  
Press DONE.  
6
NOTE: During a holiday, the word “Holiday” flashes.  
To cancel the Holiday Override early, press CANCEL.  
7.  
NOTE: When the number of Holiday Override days expires, the screen shows  
Following Schedule” to indicate that the Holiday Override has ended.  
Fan Status Displayed on Main Screen  
AUTO—fan is controlled by the system.  
ON—fan is continuously on.  
When the thermostat is running the fan, the fan blade symbol  
indicate the thermostat has the fan on.  
appears next to FAN to  
NOTES:  
If the mode is Occupied, fan control is On. The only thing that allows the fan to  
turn off during occupied periods is a manual fan override from On to Auto.  
If the mode is Unoccupied, fan control is the same as with the Auto setting.  
This is true even when the display indicates “On”.  
If the thermostat is not controlling the fan, the fan blade symbol  
appear even while the fan is running.  
might not  
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Replacing Batteries  
With proper power and connections, the  
thermostat does not require batteries.  
Thermostats with batteries provide a  
warning when the batteries run low. This  
warning flashes on the main screen for  
approximately 30 days.  
NOTES:  
If batteries are not replaced  
when Low Battery warning is  
flashing, the LO batt screen  
displays continuously and  
M22383  
thermostat stops operating  
until batteries are replaced.  
Despite the low battery indicator, it is recommended that you replace the  
batteries once each year. Do this to prevent leakage and to prevent the  
thermostat and HVAC system from shutting down due to lack of thermostat  
battery power.  
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Replace the batteries as follows:  
1.  
Remove the thermostat  
from the base by pulling it  
straight out.  
WALL  
2.  
Install two new AA alkaline  
batteries with proper  
polarization.  
NOTES:  
Always use AA  
alkaline batteries.  
All programming  
(
Schedule, Date and  
Time) information  
is retained during  
battery replacement.  
M22384  
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3.  
Place the thermostat back on  
its base:  
BATTERIES (2)  
BATTERY HOLDER  
a. Align the terminal screw  
blocks with the pins on the  
back of the thermostat.  
b. Push the thermostat  
straight onto the base.  
NOTES:  
After two minutes, the  
device automatically  
returns to the main  
screen.  
To return to the main  
screen before the two  
minutes pass, press a  
key.  
M22259  
BACK OF THERMOSTAT  
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Reading Remote Indoor Temperature  
If connected to an installed remote  
indoor temperature sensor, the  
thermostat displays the indoor  
temperature from the remote  
sensor(s).  
REMOTE INDOOR  
TEMPERATURE READING  
NOTE: When connected to an  
installed remote indoor  
temperature sensor, the  
thermostat internal sensor  
is not used.  
Wed  
AM  
System Auto Fan Auto  
Heat Off Cool  
Occupied  
More  
System & Fan  
Override  
ONE REMOTE INDOOR SENSOR  
INSTALLED  
If one remote indoor temperature  
sensor is used, the screen showing  
the Inside temperature reading  
displays the temperature at the  
indoor remote sensor location.  
M23045  
MULTIPLE REMOTE INDOOR SENSORS INSTALLED  
If more than one remote indoor sensor is used, the screen showing the Inside temperature  
reading displays the average of all the remote indoor sensors.  
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Reading Outdoor Temperature  
If connected to an outdoor sensor, the thermostat displays the Outside temperature.  
VIEW OUTSIDE TEMPERATURE  
The Outside temperature is located  
in the lower right corner of the main  
screen. If it is not on the main  
Outside  
screen, view the outdoor  
temperature by pressing MORE  
until the outside temperature  
shows.  
Tue  
PM  
Heat On  
Occupied  
Schedule  
System  
Heat  
Fan Auto  
Holiday  
Clock  
M23046  
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Keys Locked  
Some key control can be fully or  
partially locked. When the  
thermostat displays “Locked”, key  
control is either fully or partially  
locked.  
Locked  
Wed  
AM  
System Auto Fan Auto  
System & Fan  
Schedule  
Occupied  
Clock & More  
NOTE: In order to change the key  
lock setting, the user must  
have details beyond the  
scope of this document.  
Fully Locked Keys  
In this mode, the entire interface is  
M23047  
locked and not functional. The screen continuously displays “Locked”.  
Partially Locked Screen  
When partially locked:  
Pressing a locked key prompts the screen to indicate “Locked” for five to seven  
seconds.  
Pressing an unlocked key with “Locked” shown removes “Locked” from the display.  
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PARTIAL LOCKOUT 1  
This mode locks all keys except HOLIDAY, OVERRIDE, Up and Down. Standard  
procedures are used to incorporate the temporary changes made with these keys. See the  
Setting Temperature Overrides section for details.  
PARTIAL LOCKOUT 2  
This mode locks all keys except HOLIDAY and OVERRIDE:  
Selecting HOLIDAY sets the temperature to the Unoccupied setting. The temperature  
setting cannot be changed. The number of days to hold the holiday can be changed.  
After this time, the next Occupied period switches back to the program settings.  
Selecting OVERRIDE sets the temperature to the Occupied setting. The temperature  
setting cannot be changed. The period of time to hold the override can be changed.  
After this time, the next Unoccupied period switches back to the program settings.  
To cancel the temperature override and follow the programmed schedule, press  
CANCEL.  
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Temperature Recovery  
The thermostat is equipped with a  
feature to eliminate guesswork  
when setting a schedule. That is,  
the user need not know the amount  
of time for the HVAC system to  
bring the space to temperature  
Tue  
PM  
(without overshoot) prior to the  
Recovery  
System Auto Fan Auto  
Occupied  
More  
scheduled time.The thermostat  
manages that automatically.  
System & Fan  
Override  
Simply program the desired time to  
have space at comfort temperature.  
In addition, program temperature to  
comfort temperature. The  
M23048  
thermostat activates the heating or  
cooling at the proper time to reach the set temperature at the scheduled time.  
NOTE: The setpoint changes gradually to use economical stages and avoid overshoot.  
For example—the space will be occupied at 8:00 AM and the desired temperature is 70°F.  
Set the Occupied1 period for 8:00 AM and 70°F. The thermostat turns on the heat prior to  
8:00 AM to raise the temperature to 70°F by 8:00 AM.  
The thermostat provides an alert that the heating or cooling system is coming on before a  
scheduled time by displaying “Recovery” on the screen.  
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Setting Calendar  
This thermostat is designed to, under normal use, automatically keep the current time and  
day in the memory for up to ten years once the calendar is set. There are two ways to set  
the calendar for this thermostat:  
SETTING CALENDAR WHEN THERMOSTAT IS FIRST POWERED  
When first powered, the thermostat proceeds through a sequence of screens to set the  
calendar.  
UP AND DOWN KEYS  
CHANGES MONTH, DAY,  
YEAR AND TIME  
YEAR  
MONTH  
DAY  
Tue  
PM  
DeSelect Day FanUseEdit  
System & Fan  
Schedule  
View  
Clock & More  
Done  
GO BACK KEY  
GOES BACK TO  
LAST SETTING  
DONE KEY  
ADVANCES TO TIME SETTING  
SCREEN AND HOME SCREEN  
NEXT KEY  
ADVANCE TO NEXT SETTING  
M23023  
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SETTING CALENDAR AFTER  
THERMOSTAT IS ALREADY  
FUNCTIONING  
See the Steps (1 through 4), in the  
Advanced Settings section, to set  
year, month and day.  
FACTORY  
SETTING  
SETUP  
NUMBER  
AM  
CHANGE  
THE  
FACTORY  
SETTING  
View  
Clock & More  
Done  
Go Back Next  
GOES BACK  
ADVANCE TO  
NEXT SETUP  
NUMBER  
PRESS TO  
EXIT SETUP  
TO LAST  
SETUP  
NUMBER  
Setup  
Setup  
Name  
(Select Your Setting)  
Settings  
Number  
0120  
0130  
0140  
0150  
Date (Year Select first two digits of current  
Upper)  
calendar year (20 for year 2005, etc).  
Date (Year Select last two digits of current  
Lower)  
calendar year (05 for year 2005, etc).  
Date  
Select number that represents current  
calendar month.  
(
Month)  
Date  
Select number that represents current  
calendar date.  
(
Day)  
M23049  
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Advanced Settings  
The thermostat has many  
advanced settings to match the  
HVAC system. These settings can  
be adjusted to match specific  
needs:  
1.  
2.  
3.  
From the main screen, press  
SYSTEM & FAN.  
Press and hold FAN for  
approximately five seconds.  
The Setup Number displays  
in the middle of the screen. It  
is a four-digit code beginning  
with zero. The current setting  
is displayed to the right.  
System Auto Fan Auto  
FanUseEdit  
System & Fan  
Done  
M23050  
NOTE: Use the Up and Down  
keys to change the Setup Number.  
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Step 1. User Setup Number 0120: First Two Digits of Current Calendar Year.  
To change the current setting, use  
the Up and Down keys.  
Options:  
2
2
0 — for years 20xx.  
1 — for years 21xx.  
Step 2.  
User Setup Number 0130:  
Last Two Digits of Current  
Calendar Year.  
To change the current setting, use  
the Up and Down keys.  
Options:  
Go Back Next  
Done  
M23051  
01 through 99 — for years 2x01  
through 2x99.  
Step 3. User Setup Number 0140: Current Calendar Month.  
To change the current setting, use the Up and Down keys.  
Options:  
1
through 12 — for January through December.  
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Step 4. User Setup Number 0150: Current Calendar Date.  
To change the current setting, use the Up and Down keys.  
st  
Options: 1 through 31 — for first of a month to 31 of a month.  
Step 5. User Setup Number 0160: Schedule Options.  
To change the current setting, use the Up and Down keys.  
Options:  
0
4
— non-programmable. Thermostat is nonprogrammable.  
— programmable. Thermostat is fully programmable, allowing all 7 days to be  
programmed.  
Step 6. User Setup Number 0320: Display Temperature Shown in °F or °C.  
To change the current setting, use the Up and Down keys.  
Options:  
0
1
— Fahrenheit.  
— Celsius.  
Step 7. User Setup Number 0330: Daylight Saving Time On or Off.  
To change the current setting, use the Up and Down buttons.  
Options:  
0
1
— Off. Thermostat time does not adjust automatically for Daylight Saving Time.  
— On. Thermostat time adjusts automatically for Daylight Saving Time in Fall and Spring.  
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Step 8. User Setup Number 0540: Number of Programmable Periods per Day.  
To change the current setting, use the Up and Down buttons.  
Options:  
2
4
— 2 periods per day.  
— 4 periods per day.  
Step 9. User Setup Number 0640: Time Format.  
To change the current setting, use the Up and Down buttons. Options:  
1
2
2 — 12 hour clock.  
4 — 24 hour clock.  
Step 10. Exit User Setup  
Press DONE to exit Advanced Settings and return to the main screen.  
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Frequently Asked Questions and Answers  
Q: When making changes, the wrong setting is being changed; Why?  
A: Whatever is flashing on the screen is the item that the up and down buttons affect.  
Q: The keys (some or all) do not work; why not?  
A: Thermostat is locked. See Locked Keypad sections.  
Q: Backlighting seems dim; is it designed to be dim?  
A: When using batteries for power, install fresh AA alkaline batteries.  
Q: Thermostat is asking for heating or cooling to come on (screen shows “Heat On” or  
“Cool On” in display) but there is no heating or cooling running.  
A: Call your local heating and/or cooling contractor to check your system.  
Q: Why doesn’t the thermostat respond when I press a key?  
A: Check to determine if the device is in the Locked mode. See Locked Keypad sections.  
Q: Why doesn’t the fan run when the thermostat indicates “On”?  
A: If the mode is Unoccupied, the fan control is the same as with the “Auto” setting. This is  
true even when the display indicates "On".  
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Limited Five-Year Warranty  
Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under  
normal use and service, for a period of five (5) years from the date of purchase by the consumer. If, at any time during  
the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it (at Honeywell’s  
option) within a reasonable period of time.  
If the product is defective,  
(
(
i) return it, with a bill of sale or other dated proof of purchase, to the retailer from which you purchased it, or  
ii) package it carefully, along with proof of purchase (including date of purchase) and a short description of the  
malfunction, and mail it, postage prepaid, to the following address:  
Honeywell Return Goods  
Dock 4 MN10-3860  
1
885 Douglas Dr N  
Golden Valley, MN 55422  
This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell  
that the defect or malfunction was caused by damage which occurred while the product was in the possession of a  
consumer.  
Honeywell’s sole responsibility shall be to repair or replace the product within the terms stated above. HONEYWELL  
SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR  
CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY  
WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Some states do not allow  
the exclusion or limitation of incidental or consequential damages, so this limitation may not apply to you.  
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT. THE  
DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND  
FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE FIVE YEAR DURATION OF THIS  
WARRANTY. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may  
not apply to you.  
This warranty gives you specific legal rights, and you may have other rights which vary from state to state.  
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If you have any questions concerning this warranty, please write Honeywell Customer  
Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-1502, Monday-  
Friday, 7:00 a.m. to 5:30 p.m., Central time. In Canada, write Retail Products ON15-02H,  
Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V4Z9.  
CUSTOMER ASSISTANCE  
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Automation and Control Solutions  
Honeywell International Inc.  
985 Douglas Drive North  
Honeywell Limited-Honeywell Limitée  
1
35 Dynamic Drive  
Golden Valley, MN 55422  
yourhome.honeywell.com  
Scarborough, Ontario M1V 4Z9  
®
©
U.S. Registered Trademark  
2005 Honeywell International Inc.  
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